In my free time, I drive my car and I am ready to go out for a ride. It is necessary to put some music. As a result, the car audio is faulty. What should I do? Today, Cang Ge came to talk about car audio maintenance and troubleshooting methods. Regarding the maintenance volume, do not suddenly open to the maximum: suddenly the sound is turned to the maximum, the speaker coil will burn out, which will affect the amplifier. Always use a small cotton swab to wipe the CD player: The most important part of the CD player is the laser head. To focus on curing, you can often wipe it with a moist cotton swab. About the fault sound left and right channel sound size is not the same: first check whether the host balance button is in the middle position, then look at the front level input and output left and right level control button is the same, there is the expansion machine input sensitivity left and right channel is not the same . Sma Connector,Sma Rf Coaxial Connector,Sma Coaxial Cable Connector,Sma Coaxial Connector Changzhou Kingsun New Energy Technology Co., Ltd. , https://www.aioconn.com
Cleaning the tape, disc, with cleaning tools: The dirt on the tape and disc can affect the sound quality of the playback, which can often be avoided by cleaning with a tool. 
When the volume is small, in this case, check if the contact between the power ground wire and the car casing is loose. Check whether the input and output RCA of the front and rear stages are normal. Also, see if the sensitivity knob is not. normal. 
High noise: Check if the negative end of the RCA signal terminal is turned on. If the negative end of the RCA signal output terminal of the host terminal is short-circuited, use the meter to measure whether the negative terminal and the main chassis are connected.